They compared a thunderbolt 4 cable to several non thunderbolt cables. It's not surprising the non thunderbolt cables do not have thunderbolt chips This cable

They compared a thunderbolt 4 cable to several non thunderbolt cables. It's not surprising the non thunderbolt cables do not have thunderbolt chips This cable also has no thunderbolt chip and is only usb 2.0 https://www.apple.com/shop/product/MU2G3AM/A/240w-usb-c-charge-cable-2-m https://www.apple.com/shop/product/MU2G3AM/A/240w-usb-c-char...